Just to fix a small error, the trs80 Model 100 is 8085 based. Doug
On Thu, 29 Sept 2022, 10:13 pm Stephen Adolph, <[email protected]> wrote: > And to add to the confusion, there are 2 M100 in the world that actually > do use a Z80! > > On Thursday, September 29, 2022, Justin Poirier <[email protected]> > wrote: > >> TRS-80 starts for "Tandy Radio Shack" and "Z80 microprocessor." The >> M100/T102/T200 have an Intel 80C51 microcontroller, not a Zilog Z80, like >> the Model I, II, III, IV had, and even worse the TRS-80 Color Computers >> have a Motorola 6809, so even in themselves, they were not consistent in >> sticking to their own brand. >> >> --Justin >> >> On Wed, 2022-09-28 at 17:09 -0400, [email protected] wrote: >> >> TRS80 is a brand. There are substantial differences between the >> different models for the most part. Especially ones like the Model II. >> The 1, 3 and 4 had some limited compatibility but stuff written for one >> wouldn't necessarily work in the other. (Except that in theory you could >> boot a 4 into 3 mode to run 3 apps, but that wasn't really 'compatible' ). >> So the 100 and 102 (where brand changed to Tandy) are like the rest and >> different :). >> >> >> Oh and don't forget the whole color computer series was vastly different >> from the gray box models :) >> >> --Chris >> >> ------------------------------ >> *From:* M100 <[email protected]> on behalf of Will Senn < >> [email protected]> >> *Sent:* Wednesday, September 28, 2022, 5:04 PM >> *To:* [email protected] <[email protected]> >> *Subject:* [M100] is the m100 a trs-80? In walks like a, not is >> categorized as a >> >> >> I've been reading around a bit (all over the world actually) and there's >> a lot of stuff written about and for the TRS-80... as though it's a >> machine, not a designation. I wonder, just how close is an m100 to these >> TRS-80's (Model 1, 2, 3, etc)? Should I concentrate on stuff that's written >> specifically about the M100? Or, will any old TRS-80 book or magazine or >> zine (TRS8BIT) do? It's pretty confusing. >> >> I do realize that there are significant differences in hardware and >> screen stuff - color, res, etc. But by and large is an m100 a "TRS-80" in >> that I can reuse code from one to the other comfortably (sans specific >> hardware references), or should I not waste my time? >> >> Looking for insight and reading material for M100 enthusiasts. >> >> Will >> >>
